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Articles on Climate change

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Humans as well as animals are affected by climate change. A treaty could keep them safe and reduce forced migration. AAP

We need a treaty to help people displaced by climate change

Climate change will lead to significant human displacement. The Intergovernmental Panel on Climate Change (IPCC) and other groups warn that the effects – including rising sea levels, heavier floods, more…
The climate system is highly sensitive to radiative forcing, so it’s no wonder we’re seeing more extreme weather events. Isn’t it time to take notice? AAP

The atmosphere’s shift of state and the origin of extreme weather events

The linear nature of global warming trends projected by the IPCC since 1990 and as late as 2007 (see Figure 1) has given the public and policy makers an impression there is plenty of time for economies…
Will we ultimately see 2012 as triumphant, or as just one step in an emerging global tragedy? Jenny Varley

Opening the fabled Northwest Passage: triumph or tragedy?

A combination of 33-year satellite records, measurements made over the past century, and long-term proxy analysis suggests Arctic sea ice may be at its lowest level for more than 1,000 years. According…
We thought we’d set a safe limit on climate change - 450ppm CO2 - but it may be too high for most of the world’s reefs. Paul Toogood

Climate change guardrail too hot for coral reefs?

One of the ambitions of the United Nations Framework Convention on Climate Change (UNFCCC) is galvanising the international community to avoid dangerous interference with Earth’s climate. To do this, it…
Is there a relationship between the ozone hole over Antarctica and the global climate? AAP/Dean Lewins

The Antarctic ozone hole and climate change: an anniversary worth celebrating

SAVING THE OZONE: Part five in our series exploring the Montreal Protocol on Substances that Deplete the Ozone Layer – dubbed “the world’s most successful environmental agreement” – explores the parallels…
Over summer, the US has been dry and hot. It’s not alone. EPA/Larry W Smith

Northern hemisphere has another hot, hot summer

The 2012 northern hemisphere summer, like its two predecessors, has seen a wide range of climate extremes, many involving heat. In most recent summers there has been at least one part of the world with…
Bumping into a jaguar in Mexico’s cloud forest could soon be a thing of the past. Kjersti Holmang/Wikimedia Commons

Head in the clouds: reserves won’t save Mexico’s forest

The chances of being roared at by a jaguar in a Mexican cloud forest are already low, but that is precisely what happened to me during a recent fieldwork expedition. I was very lucky to see a jaguar close…
US development of wind energy is lowering emissions without reducing economic growth. Sam Beebe

Climate Commission: global climate action gathers momentum

Ninety countries representing 90% of the global economy are committed to reducing their greenhouse emissions and are taking action to do so. This is one of the take-home messages from the Climate Commission’s…
Scientists have suggested using shade cloth to protect corals from the heat stress that leads to coral bleaching. AAP

Shade cloth over reefs? Scientists call for ‘last resort’ measures

Unconventional tactics, including using shade cloth to protect corals from heat stress, must form part of future ocean management and conservation plans, argues a scientist from the University of Queensland…
Could listening be the way forward for scientists and science? shannonkringen

Help needed: can you fix the science/ society divide?

Want to help fix the science/ society divide? We’re making a documentary looking at how we might do this, and we’re looking for your help. Why? Well … You don’t need to be a rocket sociologist to know…

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